Provides the ultimate cooling system protection against overheating, and rust and corrosion. Formulated to meet the demands of different types of vehicle, this Ethylene glycol based coolant provides excellent overheating protection and all-around corrosion protection. It is compatible with rubber parts and is non-foaming. When used as directed, Prestone® Long life Coolant Concentrate prevents overheating and boil over. It prevents rust and corrosion and protects engine metals. Ethylene glycol based coolant provides excellent overheating protection and all-around corrosion protection Compatible with rubber parts and is non-foaming. Prevents overheating and boil over. Prevents rust and corrosion and protects engine metals.